. >> i've had a wonderful experience here at penn state. i don't want to walk away bitter. >> we have extensive coverage of whitney houston's death this half hour. here's what we know. the medical examiner said she did die in the bathtub. the toxicology tests may not come back for as long as two months. >> if you snapped off a jeremy lin number 17 jersey, hold on to it because it's a collector's item. >> he punched the heck out of that guy and slammed his face, as zimmerman claims there would be some mark on your hand. >> you would think more physical evidence of that kind of scuffle. >> we're going to need authorities and medical units. >> the longest flight to vegas, i've had, 13 hours. >> the record $500 million jackpot is sweeping the nation. >> we begin with the wildfire blazing across northern colorado, now stretching across 80 square miles. >> this was at the premiere of "the dark knight returns," that so many folks were lined up to see late last night. but a mass shooting at this theater outside denver, colorado in aurora. >>> well,